Supplement to the Official Journal of the European Communities PDF Download
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Author:
Publisher:
ISBN:
Category : Gazettes
Languages : en
Pages : 1882
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Author:
Publisher:
ISBN:
Category : Gazettes
Languages : en
Pages : 1882
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Author: Hans de Kroon
Publisher: Springer Science & Business Media
ISBN: 9783540001850
Category : Science
Languages : en
Pages : 424
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Book Description
In the course of evolution, a great variety of root systems have learned to overcome the many physical, biochemical and biological problems brought about by soil. This development has made them a fascinating object of scientific study. This volume gives an overview of how roots have adapted to the soil environment and which roles they play in the soil ecosystem. The text describes the form and function of roots, their temporal and spatial distribution, and their turnover rate in various ecosystems. Subsequently, a physiological background is provided for basic functions, such as carbon acquisition, water and solute movement, and for their responses to three major abiotic stresses, i.e. hard soil structure, drought and flooding. The volume concludes with the interactions of roots with other organisms of the complex soil ecosystem, including symbiosis, competition, and the function of roots as a food source.
Author:
Publisher:
ISBN:
Category : Zoology
Languages : en
Pages : 362
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Author: Kevin J. Anderson
Publisher: Tor Books
ISBN: 1429924918
Category : Fiction
Languages : en
Pages : 461
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Book Description
The Road to Dune is a treasure trove of essays, articles, and fiction that every reader of Dune will want to add to their shelf. Includes never-before-published chapters from Dune and Dune Messiah, original stories, and a new short novel by Brian Herbert and Kevin J. Anderson Frank Herbert's Dune is widely known as the science fiction equivalent of The Lord of the Rings, and The Road to Dune is a companion work comparable to The Silmarillion, shedding light on and following the remarkable development of the bestselling science fiction novel of all time. Herein, the world's millions of Dune fans can now read---at long last---the unpublished chapters and scenes from Dune and Dune Messiah. The Road to Dune also includes the original correspondence between Frank Herbert and famed editor John W. Campbell, Jr.; excerpts from Herbert's correspondence during his years-long struggle to get his innovative work published; and the article "They Stopped the Moving Sands," Herbert's original inspiration for Dune. The Road to Dune features newly discovered papers and manuscripts of Frank Herbert, and also "Spice Planet," an original sixty-thousand-word short novel by Brian Herbert and Kevin J. Anderson, based on a detailed outline left by Frank Herbert. At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.
Author: Pushpam Kumar
Publisher: Taylor & Francis
ISBN: 1136538801
Category : Business & Economics
Languages : en
Pages : 454
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Book Description
Human well-being relies critically on ecosystem services provided by nature. Examples include water and air quality regulation, nutrient cycling and decomposition, plant pollination and flood control, all of which are dependent on biodiversity. They are predominantly public goods with limited or no markets and do not command any price in the conventional economic system, so their loss is often not detected and continues unaddressed and unabated. This in turn not only impacts human well-being, but also seriously undermines the sustainability of the economic system. It is against this background that TEEB: The Economics of Ecosystems and Biodiversity project was set up in 2007 and led by the United Nations Environment Programme to provide a comprehensive global assessment of economic aspects of these issues. This book, written by a team of international experts, represents the scientific state of the art, providing a comprehensive assessment of the fundamental ecological and economic principles of measuring and valuing ecosystem services and biodiversity, and showing how these can be mainstreamed into public policies. This volume and subsequent TEEB outputs will provide the authoritative knowledge and guidance to drive forward the biodiversity conservation agenda for the next decade.
Author: Henry Chandler Cowles
Publisher:
ISBN:
Category : Plant ecology
Languages : en
Pages : 250
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Author: A.W. Küchler
Publisher: Springer Science & Business Media
ISBN: 9400930836
Category : Science
Languages : en
Pages : 622
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Book Description
A. W. KOCHLER The intimate intercourse between two or more 2. vegetation maps are scientific tools for ana fields of knowledge often bears interesting and lyzing the environment and the relation valuable fruit. Vegetation maps are such fruit, ships between vegetation and the site on resulting from the union of botany and geogra which it occurs. This helps to explain the phy. The work of botanists can be comprehen distribution of plant communities on the sive only if it includes a consideration of plants basis of the physical and chemical features in space, i. e. in different types of landscapes. At of the landscape. On the other hand, plant this point, the work of geographers becomes communities allow conclusions on the natu important through their development of maps re of the environment; as tools to determine and to analyze distribu 3. vegetation maps are valuable standards of tions in space. Our highly developed knowledge reference for observing and measuring of vegetation is matched by the refinement of changes in the vegetation, their direction cartographic techniques, and maps can now be and their speed, i. e. the rate of change. This is important because the character ofvegeta made that will show the extent and geographical distribution of vegetation anywhere on the sur tion is dynamic and is increasingly affected face of our planet with a remarkable degree of by man; accuracy. 4.
Author: L. Hansson
Publisher: Springer Science & Business Media
ISBN: 9401107173
Category : Science
Languages : en
Pages : 364
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Book Description
This series presents studies that have used the paradigm of landscape ecology. Other approaches, both to landscape and landscape ecology are common, but in the last decade landscape ecology has become distinct from its predecessors and its contemporaries. Landscape ecology addresses the relationships among spatial patterns, temporal patterns and ecological processes. The effect of spatial configurations on ecological processes is fundamental. When human activity is an important variable affecting those relationships, landscape ecology includes it. Spatial and temporal scales are as large as needed for comprehension of system processes and the mosaic included may be very heterogeneous. Intellec tual utility and applicability of results are valued equally. The Inter national Association for Landscape Ecology sponsors this series of studies in order to introduce and disseminate some of the new knowledge that is being produced by this exciting new environmental science. Gray Merriam Ottawa, Canada Foreword This is a book about real nature, or as close to real as we know - a nature of heterogeneous landscapes, wild and humanized, fine-grained and coarse-grained, wet and dry, hilly and flat, temperate and not so temper ate. Real nature is never uniform. At whatever spatial scale we examine nature, we encounter patchiness. If we were to look down from high above at a landscape of millions of hectares, using a zoom lens to move in and out from broad overview to detailed inspection of a square meter we would see that patterns visible at different scales overlay one another.
Author: Emmanuel N. Chidumayo
Publisher: Routledge
ISBN: 1136531378
Category : Technology & Engineering
Languages : en
Pages : 294
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Book Description
The dry forests and woodlands of Sub-Saharan Africa are major ecosystems, with a broad range of strong economic and cultural incentives for keeping them intact. However, few people are aware of their importance, compared to tropical rainforests, despite them being home to more than half of the continent's population. This unique book brings together scientific knowledge on this topic from East, West, and Southern Africa and describes the relationships between forests, woodlands, people and their livelihoods. Dry forest is defined as vegetation dominated by woody plants, primarily trees, the canopy of which covers more than 10 per cent of the ground surface, occurring in climates with a dry season of three months or more. This broad definition - wider than those used by many authors - incorporates vegetation types commonly termed woodland, shrubland, thicket, savanna, wooded grassland, as well as dry forest in its strict sense. The book provides a comparative analysis of management experiences from the different geographic regions, emphasizing the need to balance the utilization of dry forests and woodland products between current and future human needs. Further, the book explores the techniques and strategies that can be deployed to improve the management of African dry forests and woodlands for the benefit of all, but more importantly, the communities that live off these vegetation formations. Thus, the book lays a foundation for improving the management of dry forests and woodlands for the wide range of products and services they provide.
Author:
Publisher:
ISBN:
Category : Africa
Languages : en
Pages : 572
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Book Description
